Home / 725,085.89-1,087,704.16-345,942.71

Finding the Fourth Proportional to 725,085.89, 1,087,704.16 and 345,942.71

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Solution

The fourth proportional to 725,085.89, 1,087,704.16 and 345,942.71 is: 518,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,085.89 : 1,087,704.16 = 345,942.71 : x
  2. Step 2: Convert to fraction form
    725,085.89/1,087,704.16 = 345,942.71/x
  3. Step 3: Cross multiply
    725,085.89x = 1,087,704.16 × 345,942.71
  4. Step 4: Simplify right side
    725,085.89x = 376,283,317,620.44
  5. Step 5: Solve for x
    x = 376,283,317,620.44/725,085.89
  6. Step 6: Final answer
    x = 518,950.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.